Re: [Xenomai-help] RE : RE : RE : Error compiling Xenomai 2.4.8 with I-pipe tracer

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

Berruer Sébastien wrote:
> Hello,
> 
>>> I downloaded the toolchain from:
>>> http://www.codesourcery.com/sgpp/lite/arm/portal/release316
>>>
>>> It's the free version but it's supposed to have a Newlib library. Why
>>> can't I
>>> find any *.so? I only have *.a files. Must I only statically compile my
>>> software?
>>
>> No. This version is the free-standing version, made to compile code
>> without an OS. This is sufficient for compiling the Linux kernel, not
>> for compiling any Linux user-space applications. What you should
>> download is:
>>
>> http://www.codesourcery.com/sgpp/lite/arm/portal/release313
> 
> Thank you for the link. I'll try this.
> 
> NOTE: for anyone who's interested
> I applied the patch found in:
> http://marc.info/?l=linux-arm-kernel&m=124946219616111&w=2
> <http://marc.info/?l=linux-arm-kernel&m=124946219616111&w=2>
> 
> And try to compile the kernel with the 2008q1 toolchain but it fails with:
> [...]
>   LD      .tmp_vmlinux1
> init/built-in.o: In function `do_one_initcall':
> calibrate.c:(.text+0x14): undefined reference to `__gnu_mcount_nc'
> init/built-in.o: In function `run_init_process':
> calibrate.c:(.text+0x1b0): undefined reference to `__gnu_mcount_nc'
> init/built-in.o: In function `init_post':
> calibrate.c:(.text+0x1e0): undefined reference to `__gnu_mcount_nc'
> init/built-in.o: In function `name_to_dev_t':
> calibrate.c:(.text+0x2e0): undefined reference to `__gnu_mcount_nc'
> init/built-in.o: In function `rest_init':
> calibrate.c:(.ref.text+0x10): undefined reference to `__gnu_mcount_nc'
> init/built-in.o:calibrate.c:(.cpuinit.text+0x10): more undefined
> references to `__gnu_mcount_nc' follow
> make[3]: *** [.tmp_vmlinux1] Erreur 1
> make[2]: *** [sub-make] Erreur 2
> make[1]: *** [zImage] Erreur 2
> make: *** [sub-make] Erreur 2
> 
> Even if the patch permits the export of both symbols.

exporting symbols is only useful for modules. Defining the symbol is
sufficient to avoid such undefined references. So, in a nutshell I
thinkg you screwed up somehow.

-- 
                                          Gilles